Honeywell DNR Intelligent Duct Smoke Detector Housing

The Honeywell DNR intelligent non-relay photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints capable of mounting to a round or rectangular duct. This detector housing is UL Listed per UL 268A specifically for use in air handling systems. Part of the InnovairFlex series, this housing is designed for professional fire alarm and HVAC applications requiring smoke detection in air ducts.

Key Features:

• Operates in airflow speeds of 100 to 4,000 ft/min (0.5 to 20.32 m/s)
• Versatile pivoting housing accommodates both square and rectangular duct configurations
• Front cover test/reset button simplifies test and maintenance procedures
• Plug-in, tool-free sampling tubes speed installation
• Cover tamper feature indicates a trouble signal for a removed or improperly installed sensor cover
• 3/4-inch conduit knockout and ample space to facilitate easy wiring and mounting of a relay module
• Terminal connections use strip and clamp method suitable for 12-18 AWG wiring

Important: This housing requires a compatible detector head (sold separately). The Honeywell DNR duct smoke detectors are compatible with all previous models, including remote test accessories. Sampling tubes must be ordered separately based on duct width requirements.

The DNR uses photoelectric technology to detect smoke and combustion particles present in air moving through an HVAC air handling system. This housing is designed for use with intelligent addressable fire alarm control panels and provides reliable smoke detection to help prevent the spread of smoke through building ventilation systems.